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Llana [10]
3 years ago
12

Proteins around which the long, linear strands of DNA are wrapped; they serve to keep the DNA untangled and to enable an orderly

, tight, and efficient packing of the DNA within the cellis called_____________.
Biology
1 answer:
igor_vitrenko [27]3 years ago
3 0

Answer:

The correct answer is- Histone

Explanation:

DNA is approximately 2.2 m long thread which has to be adjusted in a microscopic nucleus so DNA must be in a supercoiled form to be present in the nucleus and this supercoiling of DNA is done on histone protein.

Histone protein is a positively charged protein that is made up of eight proteins so it is called histone octamer. Each histone has 2 copies of each protein that is H2A, H2B, H3, and H4.

DNA is negatively charged and histone protein is positively charged therefore DNA wraps around histone protein which causes the packaging of DNA. So the correct answer is histone protein.

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The codon AUG specifies the amino acid methionine. What would the tRNA anitcodon be that recognizes this codon?
NemiM [27]

Answer:

UAC

Explanation:

This example portrays that translation, which is the second process of protein synthesis, is about to occur. Translation cannot occur without a special type of RNA called tRNA or transfer RNA.

A tRNA contains a set of three nucleotides called ANTICODON. The tRNA matches an mRNA codon with the amino acid it encodes. The tRNA initially binds to the mRNA and reads the mRNA codon using its anticodon (which is complementary to the mRNA's codon). The actual reading is done by matching the base pairs through hydrogen bonding following the base pairing rule i.e. A-U, G-C. After reading the mRNA codon using its anticodon, it then carries the specific amino acid encoded by that codon it binds to, in order to add to the growing polypeptide chain.

For example, a codon AUG (start codon that signals beginning of translation) will be read by tRNA anticodon, UAC. Since the codon AUG codes for amino acid, Methionine. The tRNA then carries Methionine via its amino acid attachment site and adds to the polypeptide chain (future protein).

6 0
3 years ago
Hi pls help i need to answer question based on the video Bill Nye science guy magnetism.
Zolol [24]
It’s all in socratic because i did that already and it was really easy
8 0
2 years ago
the term applied when water passes through a selectively permeable membrane from an area of high to low concentration is
AleksandrR [38]
The process is called osmosis.
5 0
3 years ago
the merger between _____ resulted in the first production-distribution-exhibition firm with a truly national theater chain.
olga_2 [115]

The merger between Famous Players-Lasky and Balaban & Kat resulted in the first production-distribution-exhibition firm with a truly national theater chain.

  • Famous Players-Lasky in collaboration (merged) with Balaban & Katz that was a chicago-based theater chain who had a lot of large auditoriums in the Midwest.

  • The merger brought about the first production distribution-exhibition firm with a truly national theater chain. It was later named Publix Theaters. Paramount-Publix became the firm's name.

Conclusively, we can say that the merger between Famous Players-Lasky and Balaban & Kat resulted in the first production-distribution-exhibition firm with a truly national theater chain.

Learn more from

brainly.com/question/21336251

6 0
3 years ago
Producers are organisms that do not need to eat other organisms to obtain energy. A. Which organism is a producer in this food c
tankabanditka [31]

Answer:

A. plants

B. water, sun and carbon-di-oxide

4 0
2 years ago
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